Biotic factors: living or once-living
Abiotic factors: non living
I dont know the what the populations are (not enough information to answer)
Niche: a niche is a term describing the relational position of a species or population in an ecosystem. ... The abiotic or physical environment is also part of the niche because it influences how populations affect, and are affected by, resources and enemies.
Answer:
Arthropods invaded land about 100 million years before vertebrates. This fact most clearly implies that a. arthropods have had more time to co-evolve with land plants than have vertebrates
Explanation:
Arthropods are invertebrates animals. Its evolutionary ancestry dates back to the Cambrian period and they have had more time to co-evolve with land plants than have vertebrates. The vertebrates share a common ancestor. Scientists believe that the last common ancestor of all arthropods is a modular organism with each module covered by its own sclerite.
Answer:
D. they are unicellular
Explanation:
unicellular organisms are not part of the kingdom animalia .Animalia consists of aves(birds),amphibians,reptiles,mammals and so on and all these organisms are multicellular that is having more than one cell.
The answer is Physical Weathering, also known as Mechanical Weathering
Answer:
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Explanation:
